?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Ren%2C+Z.&rft.aulast=Ren&rft.aufirst=Z.&rft.issue=2&rft.volume=49&rft.date=February+2013&rft.issn=0018-9464&rft.atitle=Robust+Global+Optimization+of+Electromagnetic+Devices+With+Uncertain+Design+Parameters%3A+Comparison+of+the+Worst+Case+Optimization+Methods+and+Multiobjective+Optimization+Approach+Using+Gradient+Index&rft.title=IEEE+Transactions+on+Magnetics&rft.pages=851-859&rft.genre=article